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Save an extra 20% off your entire order with coupon code: Hot20
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**May not be combined with any other offer.
Code expires 6/19/13
The Elite Aqua Fizzz Cylindrical Airstone is a durable air stone that diffuses water in every direction. Airstones are small enough to fit common box filters and undergravel riser stems. Accelerates oxygen replenishment and helps release carbon dioxide build-up.